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US2682686A Expired / Lapsed US ⏱️ 0.0 years remaining

Carbon bodies and method of manufacturing the same

Assignee: GREAT LAKES CARBON Corp
•
Filing: 1949-08-17
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Granted: 1954-07-06
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Expires: 1969-08-17
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Abstract

No abstract record available.

Inventors

  • 👤 Mrozowski Stanislaw

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 02:02
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/515; C04B35/52; C04B35/528; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/268; Y10T428/29; Y10T428/2982; Y10T428/30

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 89 words
A PROCESS FOR FORMING CARBON ARTICLES WHICH COMPRISES COMPRESSING INTO A MOLD A COMPOSITION CONSISTING ESSENTIALLY OF CARBON PARTICLES WHOSE SURFACE CONTAIN OXYGEN IN CHEMICAL COMBINATION WITH THE CARBON, AND HEATING THE RESULTING COMPRESSED COMPOSITION WHILE RETAINED IN THE MOLD AND IN THE ABSENCE OF ANY AGENT CAPABLE OF COMPLETELY COATING THE PARTICLES AND TEHREBY PREVENTING INTIMATE AND DIRECT CONTACT BETWEEN SAID PARTICLES AFTER COMPRESSION, SAID HEATING BEGIN CONDUCTED AT A TEMPERATURE AND FOR A TIME SUFFICIENT TO VOLATILIZE SUBSTANTIALLY ALL OF THE OXYGEN CHEMICALLY COMBINED WITH THE CARBON.
Claim 2
Dependent Claim 89 words
A PROCESS FOR FORMING CARBON ARTICLES WHICH COMPRISES COMPRESSING INTO A MOLD A COMPOSITION CONSISTING ESSENTIALLY OF CARBON PARTICLES WHOSE SURFACE CONTAIN OXYGEN IN CHEMICAL COMBINATION WITH THE CARBON, AND HEATING THE RESULTING COMPRESSED COMPOSITION WHILE RETAINED IN THE MOLD AND IN THE ABSENCE OF ANY AGENT CAPABLE OF COMPLETELY COATING THE PARTICLES AND TEHREBY PREVENTING INTIMATE AND DIRECT CONTACT BETWEEN SAID PARTICLES AFTER COMPRESSION, SAID HEATING BEGIN CONDUCTED AT A TEMPERATURE AND FOR A TIME SUFFICIENT TO VOLATILIZE SUBSTANTIALLY ALL OF THE OXYGEN CHEMICALLY COMBINED WITH THE CARBON.

References Cited (Backward Citations)

US263145A Cited
US2260746A Cited
US2457962A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1957-07-05 1958-01-04 1958-07-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1961-07-05 1962-01-04 1962-07-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1965-07-05 1966-01-04 1966-07-06 $7700.00 Window Closed / Lapsed

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